New price low. Amazon has the 33.8oz Amazon Basics Anticavity Fluoride Mouthwash (Refreshing Mint) for $4.28 - 15% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $3.43 with free shipping on $35+ or with Prime.